Create mt76_mmio module to contain generic mt76 PCEe/SOC code.
Signed-off-by: Stanislaw Gruszka <[email protected]>
---
drivers/net/wireless/mediatek/mt76/Kconfig | 8 ++-
drivers/net/wireless/mediatek/mt76/Makefile | 8 +--
drivers/net/wireless/mediatek/mt76/dma.c | 68 +++++++++++++++++++++++
drivers/net/wireless/mediatek/mt76/mac80211.c | 1 -
drivers/net/wireless/mediatek/mt76/mmio.c | 17 ++++--
drivers/net/wireless/mediatek/mt76/mmio_trace.c | 23 ++++++++
drivers/net/wireless/mediatek/mt76/mmio_trace.h | 71 +++++++++++++++++++++++++
drivers/net/wireless/mediatek/mt76/mt76.h | 16 ++++--
drivers/net/wireless/mediatek/mt76/mt76x2_dma.c | 4 +-
drivers/net/wireless/mediatek/mt76/trace.c | 23 --------
drivers/net/wireless/mediatek/mt76/trace.h | 71 -------------------------
drivers/net/wireless/mediatek/mt76/tx.c | 66 -----------------------
12 files changed, 198 insertions(+), 178 deletions(-)
create mode 100644 drivers/net/wireless/mediatek/mt76/mmio_trace.c
create mode 100644 drivers/net/wireless/mediatek/mt76/mmio_trace.h
delete mode 100644 drivers/net/wireless/mediatek/mt76/trace.c
delete mode 100644 drivers/net/wireless/mediatek/mt76/trace.h
diff --git a/drivers/net/wireless/mediatek/mt76/Kconfig
b/drivers/net/wireless/mediatek/mt76/Kconfig
index e460a3a5e763..0fe581ed8693 100644
--- a/drivers/net/wireless/mediatek/mt76/Kconfig
+++ b/drivers/net/wireless/mediatek/mt76/Kconfig
@@ -3,7 +3,11 @@ config MT76_CORE
config MT76_USB
tristate
- depends on MT76_CORE
+ select MT76_CORE
+
+config MT76_MMIO
+ tristate
+ select MT76_CORE
config MT76x02_LIB
tristate
@@ -29,6 +33,7 @@ config MT76x0U
config MT76x0E
tristate "MediaTek MT76x0E (PCIe) support"
select MT76x0_COMMON
+ select MT76_MMIO
depends on MAC80211
depends on PCI
help
@@ -37,6 +42,7 @@ config MT76x0E
config MT76x2E
tristate "MediaTek MT76x2E (PCIe) support"
select MT76x2_COMMON
+ select MT76_MMIO
depends on MAC80211
depends on PCI
---help---
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile
b/drivers/net/wireless/mediatek/mt76/Makefile
index 129ac71446d6..1d366348f799 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -1,17 +1,17 @@
obj-$(CONFIG_MT76_CORE) += mt76.o
obj-$(CONFIG_MT76_USB) += mt76-usb.o
+obj-$(CONFIG_MT76_MMIO) += mt76-mmio.o
obj-$(CONFIG_MT76x0_COMMON) += mt76x0/
obj-$(CONFIG_MT76x02_LIB) += mt76x02-lib.o
obj-$(CONFIG_MT76x2_COMMON) += mt76x2-common.o
obj-$(CONFIG_MT76x2E) += mt76x2e.o
obj-$(CONFIG_MT76x2U) += mt76x2u.o
-mt76-y := \
- mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o tx.o agg-rx.o
-
+mt76-y := util.o mac80211.o debugfs.o eeprom.o tx.o agg-rx.o
+mt76-mmio-y := dma.o mmio_trace.o mmio.o
mt76-usb-y := usb.o usb_trace.o usb_mcu.o
-CFLAGS_trace.o := -I$(src)
+CFLAGS_mmio_trace.o := -I$(src)
CFLAGS_usb_trace.o := -I$(src)
mt76x02-lib-y := mt76x02_util.o mt76x02_mac.o
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c
b/drivers/net/wireless/mediatek/mt76/dma.c
index c51da2205b93..138f3faa6138 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -20,6 +20,72 @@
#define DMA_DUMMY_TXWI ((void *) ~0)
+static struct mt76_txwi_cache *
+mt76_alloc_txwi(struct mt76_dev *dev)
+{
+ struct mt76_txwi_cache *t;
+ dma_addr_t addr;
+ int size;
+
+ size = (sizeof(*t) + L1_CACHE_BYTES - 1) & ~(L1_CACHE_BYTES - 1);
+ t = devm_kzalloc(dev->dev, size, GFP_ATOMIC);
+ if (!t)
+ return NULL;
+
+ addr = dma_map_single(dev->dev, &t->txwi, sizeof(t->txwi),
+ DMA_TO_DEVICE);
+ t->dma_addr = addr;
+
+ return t;
+}
+
+static struct mt76_txwi_cache *
+__mt76_get_txwi(struct mt76_dev *dev)
+{
+ struct mt76_txwi_cache *t = NULL;
+
+ spin_lock_bh(&dev->lock);
+ if (!list_empty(&dev->txwi_cache)) {
+ t = list_first_entry(&dev->txwi_cache, struct mt76_txwi_cache,
+ list);
+ list_del(&t->list);
+ }
+ spin_unlock_bh(&dev->lock);
+
+ return t;
+}
+
+struct mt76_txwi_cache *
+mt76_get_txwi(struct mt76_dev *dev)
+{
+ struct mt76_txwi_cache *t = __mt76_get_txwi(dev);
+
+ if (t)
+ return t;
+
+ return mt76_alloc_txwi(dev);
+}
+
+static void
+mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t)
+{
+ if (!t)
+ return;
+
+ spin_lock_bh(&dev->lock);
+ list_add(&t->list, &dev->txwi_cache);
+ spin_unlock_bh(&dev->lock);
+}
+
+static void mt76_tx_free(struct mt76_dev *dev)
+{
+ struct mt76_txwi_cache *t;
+
+ while ((t = __mt76_get_txwi(dev)) != NULL)
+ dma_unmap_single(dev->dev, t->dma_addr, sizeof(t->txwi),
+ DMA_TO_DEVICE);
+}
+
static int
mt76_dma_alloc_queue(struct mt76_dev *dev, struct mt76_queue *q)
{
@@ -534,5 +600,7 @@ void mt76_dma_cleanup(struct mt76_dev *dev)
netif_napi_del(&dev->napi[i]);
mt76_dma_rx_cleanup(dev, &dev->q_rx[i]);
}
+
+ mt76_tx_free(dev);
}
EXPORT_SYMBOL_GPL(mt76_dma_cleanup);
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c
b/drivers/net/wireless/mediatek/mt76/mac80211.c
index 639cbafc1d50..4615040e782e 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -358,7 +358,6 @@ void mt76_unregister_device(struct mt76_dev *dev)
struct ieee80211_hw *hw = dev->hw;
ieee80211_unregister_hw(hw);
- mt76_tx_free(dev);
}
EXPORT_SYMBOL_GPL(mt76_unregister_device);
diff --git a/drivers/net/wireless/mediatek/mt76/mmio.c
b/drivers/net/wireless/mediatek/mt76/mmio.c
index 09a14dead6e3..c836a2a8986a 100644
--- a/drivers/net/wireless/mediatek/mt76/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mmio.c
@@ -15,13 +15,14 @@
*/
#include "mt76.h"
-#include "trace.h"
+#include "mmio_trace.h"
static u32 mt76_mmio_rr(struct mt76_dev *dev, u32 offset)
{
+ struct mt76_mmio *mmio = &dev->mmio;
u32 val;
- val = ioread32(dev->regs + offset);
+ val = ioread32(mmio->regs + offset);
trace_reg_rr(dev, offset, val);
return val;
@@ -29,8 +30,10 @@ static u32 mt76_mmio_rr(struct mt76_dev *dev, u32 offset)
static void mt76_mmio_wr(struct mt76_dev *dev, u32 offset, u32 val)
{
+ struct mt76_mmio *mmio = &dev->mmio;
+
trace_reg_wr(dev, offset, val);
- iowrite32(val, dev->regs + offset);
+ iowrite32(val, mmio->regs + offset);
}
static u32 mt76_mmio_rmw(struct mt76_dev *dev, u32 offset, u32 mask, u32 val)
@@ -43,7 +46,9 @@ static u32 mt76_mmio_rmw(struct mt76_dev *dev, u32 offset,
u32 mask, u32 val)
static void mt76_mmio_copy(struct mt76_dev *dev, u32 offset, const void *data,
int len)
{
- __iowrite32_copy(dev->regs + offset, data, len >> 2);
+ struct mt76_mmio *mmio = &dev->mmio;
+
+ __iowrite32_copy(mmio->regs + offset, data, len >> 2);
}
void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs)
@@ -56,6 +61,8 @@ void mt76_mmio_init(struct mt76_dev *dev, void __iomem *regs)
};
dev->bus = &mt76_mmio_ops;
- dev->regs = regs;
+ dev->mmio.regs = regs;
}
EXPORT_SYMBOL_GPL(mt76_mmio_init);
+
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/mmio_trace.c
b/drivers/net/wireless/mediatek/mt76/mmio_trace.c
new file mode 100644
index 000000000000..13945ec18cfa
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mmio_trace.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <[email protected]>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/module.h>
+
+#ifndef __CHECKER__
+#define CREATE_TRACE_POINTS
+#include "mmio_trace.h"
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mmio_trace.h
b/drivers/net/wireless/mediatek/mt76/mmio_trace.h
new file mode 100644
index 000000000000..f0de0b094dea
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mmio_trace.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <[email protected]>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if !defined(__MT76_MMIO_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __MT76_MMIO_TRACE_H
+
+#include <linux/tracepoint.h>
+#include "mt76.h"
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mt76_mmio
+
+#define MAXNAME 32
+#define DEV_ENTRY __array(char, wiphy_name, 32)
+#define DEV_ASSIGN strlcpy(__entry->wiphy_name, wiphy_name(dev->hw->wiphy),
MAXNAME)
+#define DEV_PR_FMT "%s"
+#define DEV_PR_ARG __entry->wiphy_name
+
+#define REG_ENTRY __field(u32, reg) __field(u32, val)
+#define REG_ASSIGN __entry->reg = reg; __entry->val = val
+#define REG_PR_FMT " %04x=%08x"
+#define REG_PR_ARG __entry->reg, __entry->val
+
+DECLARE_EVENT_CLASS(dev_reg_evt,
+ TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val),
+ TP_ARGS(dev, reg, val),
+ TP_STRUCT__entry(
+ DEV_ENTRY
+ REG_ENTRY
+ ),
+ TP_fast_assign(
+ DEV_ASSIGN;
+ REG_ASSIGN;
+ ),
+ TP_printk(
+ DEV_PR_FMT REG_PR_FMT,
+ DEV_PR_ARG, REG_PR_ARG
+ )
+);
+
+DEFINE_EVENT(dev_reg_evt, reg_rr,
+ TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val),
+ TP_ARGS(dev, reg, val)
+);
+
+DEFINE_EVENT(dev_reg_evt, reg_wr,
+ TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val),
+ TP_ARGS(dev, reg, val)
+);
+
+#endif
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE mmio_trace
+
+#include <trace/define_trace.h>
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h
b/drivers/net/wireless/mediatek/mt76/mt76.h
index 80390be041cb..2987ade3cb1a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -323,6 +323,10 @@ struct mt76_usb {
} mcu;
};
+struct mt76_mmio {
+ void __iomem *regs;
+};
+
struct mt76_dev {
struct ieee80211_hw *hw;
struct cfg80211_chan_def chandef;
@@ -335,7 +339,6 @@ struct mt76_dev {
const struct mt76_bus_ops *bus;
const struct mt76_driver_ops *drv;
- void __iomem *regs;
struct device *dev;
struct net_device napi_dev;
@@ -376,9 +379,15 @@ struct mt76_dev {
u32 rxfilter;
- struct mt76_usb usb;
+ union {
+ struct mt76_usb usb;
+ struct mt76_mmio mmio;
+ };
};
+#define mt76_usb(dev) (&((dev)->mt76.usb))
+#define mt76_mmio(dev) (&((dev)->mt76.mmio))
+
enum mt76_phy_type {
MT_PHY_TYPE_CCK,
MT_PHY_TYPE_OFDM,
@@ -574,9 +583,6 @@ void mt76_wcid_key_setup(struct mt76_dev *dev, struct
mt76_wcid *wcid,
struct ieee80211_sta *mt76_rx_convert(struct sk_buff *skb);
/* internal */
-void mt76_tx_free(struct mt76_dev *dev);
-struct mt76_txwi_cache *mt76_get_txwi(struct mt76_dev *dev);
-void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t);
void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames,
struct napi_struct *napi);
void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
index 44ca660775fd..8d9a599aa4ad 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c
@@ -53,7 +53,7 @@ mt76x2_init_tx_queue(struct mt76x2_dev *dev, struct
mt76_queue *q,
{
int ret;
- q->regs = dev->mt76.regs + MT_TX_RING_BASE + idx * MT_RING_SIZE;
+ q->regs = mt76_mmio(dev)->regs + MT_TX_RING_BASE + idx * MT_RING_SIZE;
q->ndesc = n_desc;
ret = mt76_queue_alloc(dev, q);
@@ -71,7 +71,7 @@ mt76x2_init_rx_queue(struct mt76x2_dev *dev, struct
mt76_queue *q,
{
int ret;
- q->regs = dev->mt76.regs + MT_RX_RING_BASE + idx * MT_RING_SIZE;
+ q->regs = mt76_mmio(dev)->regs + MT_RX_RING_BASE + idx * MT_RING_SIZE;
q->ndesc = n_desc;
q->buf_size = bufsize;
diff --git a/drivers/net/wireless/mediatek/mt76/trace.c
b/drivers/net/wireless/mediatek/mt76/trace.c
deleted file mode 100644
index ea4ab8729ae4..000000000000
--- a/drivers/net/wireless/mediatek/mt76/trace.c
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2016 Felix Fietkau <[email protected]>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <linux/module.h>
-
-#ifndef __CHECKER__
-#define CREATE_TRACE_POINTS
-#include "trace.h"
-
-#endif
diff --git a/drivers/net/wireless/mediatek/mt76/trace.h
b/drivers/net/wireless/mediatek/mt76/trace.h
deleted file mode 100644
index ea30895933c5..000000000000
--- a/drivers/net/wireless/mediatek/mt76/trace.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright (C) 2016 Felix Fietkau <[email protected]>
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#if !defined(__MT76_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
-#define __MT76_TRACE_H
-
-#include <linux/tracepoint.h>
-#include "mt76.h"
-
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM mt76
-
-#define MAXNAME 32
-#define DEV_ENTRY __array(char, wiphy_name, 32)
-#define DEV_ASSIGN strlcpy(__entry->wiphy_name, wiphy_name(dev->hw->wiphy),
MAXNAME)
-#define DEV_PR_FMT "%s"
-#define DEV_PR_ARG __entry->wiphy_name
-
-#define REG_ENTRY __field(u32, reg) __field(u32, val)
-#define REG_ASSIGN __entry->reg = reg; __entry->val = val
-#define REG_PR_FMT " %04x=%08x"
-#define REG_PR_ARG __entry->reg, __entry->val
-
-DECLARE_EVENT_CLASS(dev_reg_evt,
- TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val),
- TP_ARGS(dev, reg, val),
- TP_STRUCT__entry(
- DEV_ENTRY
- REG_ENTRY
- ),
- TP_fast_assign(
- DEV_ASSIGN;
- REG_ASSIGN;
- ),
- TP_printk(
- DEV_PR_FMT REG_PR_FMT,
- DEV_PR_ARG, REG_PR_ARG
- )
-);
-
-DEFINE_EVENT(dev_reg_evt, reg_rr,
- TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val),
- TP_ARGS(dev, reg, val)
-);
-
-DEFINE_EVENT(dev_reg_evt, reg_wr,
- TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val),
- TP_ARGS(dev, reg, val)
-);
-
-#endif
-
-#undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH .
-#undef TRACE_INCLUDE_FILE
-#define TRACE_INCLUDE_FILE trace
-
-#include <trace/define_trace.h>
diff --git a/drivers/net/wireless/mediatek/mt76/tx.c
b/drivers/net/wireless/mediatek/mt76/tx.c
index cf79b8c67b52..984ea2db2696 100644
--- a/drivers/net/wireless/mediatek/mt76/tx.c
+++ b/drivers/net/wireless/mediatek/mt76/tx.c
@@ -16,72 +16,6 @@
#include "mt76.h"
-static struct mt76_txwi_cache *
-mt76_alloc_txwi(struct mt76_dev *dev)
-{
- struct mt76_txwi_cache *t;
- dma_addr_t addr;
- int size;
-
- size = (sizeof(*t) + L1_CACHE_BYTES - 1) & ~(L1_CACHE_BYTES - 1);
- t = devm_kzalloc(dev->dev, size, GFP_ATOMIC);
- if (!t)
- return NULL;
-
- addr = dma_map_single(dev->dev, &t->txwi, sizeof(t->txwi),
- DMA_TO_DEVICE);
- t->dma_addr = addr;
-
- return t;
-}
-
-static struct mt76_txwi_cache *
-__mt76_get_txwi(struct mt76_dev *dev)
-{
- struct mt76_txwi_cache *t = NULL;
-
- spin_lock_bh(&dev->lock);
- if (!list_empty(&dev->txwi_cache)) {
- t = list_first_entry(&dev->txwi_cache, struct mt76_txwi_cache,
- list);
- list_del(&t->list);
- }
- spin_unlock_bh(&dev->lock);
-
- return t;
-}
-
-struct mt76_txwi_cache *
-mt76_get_txwi(struct mt76_dev *dev)
-{
- struct mt76_txwi_cache *t = __mt76_get_txwi(dev);
-
- if (t)
- return t;
-
- return mt76_alloc_txwi(dev);
-}
-
-void
-mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t)
-{
- if (!t)
- return;
-
- spin_lock_bh(&dev->lock);
- list_add(&t->list, &dev->txwi_cache);
- spin_unlock_bh(&dev->lock);
-}
-
-void mt76_tx_free(struct mt76_dev *dev)
-{
- struct mt76_txwi_cache *t;
-
- while ((t = __mt76_get_txwi(dev)) != NULL)
- dma_unmap_single(dev->dev, t->dma_addr, sizeof(t->txwi),
- DMA_TO_DEVICE);
-}
-
static int
mt76_txq_get_qid(struct ieee80211_txq *txq)
{
--
2.7.5
